CN111156016A - Pipe jacking pipe joint structure capable of reducing pipeline connection times and construction method - Google Patents

Pipe jacking pipe joint structure capable of reducing pipeline connection times and construction method Download PDF

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Publication number
CN111156016A
CN111156016A CN201911409005.9A CN201911409005A CN111156016A CN 111156016 A CN111156016 A CN 111156016A CN 201911409005 A CN201911409005 A CN 201911409005A CN 111156016 A CN111156016 A CN 111156016A
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CN
China
Prior art keywords
jacking
pipe
pipe joint
oil cylinder
pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911409005.9A
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Chinese (zh)
Inventor
潘伟强
朱雁飞
郭彦
刘健
徐经纬
郁文豪
王金一
诸颖
李�昊
王彦杰
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Shanghai Tunnel Engineering Co Ltd
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Shanghai Tunnel Engineering Co Ltd
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Filing date
Publication date
Application filed by Shanghai Tunnel Engineering Co Ltd filed Critical Shanghai Tunnel Engineering Co Ltd
Priority to CN201911409005.9A priority Critical patent/CN111156016A/en
Publication of CN111156016A publication Critical patent/CN111156016A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/087Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0621Shield advancing devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0635Tail sealing means, e.g. used as end shuttering

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The invention provides a pipe-jacking pipe joint structure for reducing the connection times of pipelines and a construction method, which comprises the following steps: a line connected to a control chamber of the line; the main jacking device for providing jacking force for jacking and excavating of the push bench comprises: the jacking device comprises a jacking ring, a U-shaped iron, a jacking oil cylinder, an oil cylinder support, a steel backrest and a base; the first pipe joint is arranged on the front side of the jacking oil cylinder, the outer side wall of the first pipe joint is concave inwards to form a first groove, and a through hole for the pipeline to penetrate through is formed in the first groove; the outer side walls of the multiple pipe joints are respectively concave to form a first containing groove for laying the pipeline, the first containing grooves between the adjacent pipe joints are communicated, and the first containing grooves are communicated with the first grooves; and the sealing steel plate is covered on the first groove and the first accommodating groove.

Description

Pipe jacking pipe joint structure capable of reducing pipeline connection times and construction method
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to a pipe-jacking pipe joint structure capable of reducing the connection times of pipelines and a construction method.
Background
With the acceleration of the urbanization process, the contradiction between the limited urban space and the urban development land requirement is increasingly prominent, and the reasonable development and utilization of underground space resources become the inevitable choice for the urban sustainable development. The current underground space construction method comprises the following steps: open cut method, mine method, shield method, pipe jacking method, and the like. The pipe-jacking construction method is a novel underground excavation construction method developed on the basis of shield construction, and is developed rapidly in order to avoid the need of excavation surfaces and burying depths and to be capable of passing through the advantages of roads, railways, buildings (structures), pipelines and the like. However, when the pipe jacking is constructed, the power device of the pipe jacking machine is positioned in the working well, so that the pipe jacking machine needs to repeatedly cut off and connect the power supply and the pipeline in the installation process of each section of pipe joint, the operation is complex, and the consumed time is long.
Disclosure of Invention
In view of the above situation, the present invention provides a pipe-jacking pipe joint structure and a construction method for reducing the number of times of pipeline connection, so that the pipe-jacking machine does not need to repeatedly cut off the connecting pipeline during the pipe joint installation process, and the construction efficiency is improved.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a reduce pipe connection number of times's push pipe tube coupling structure includes:
a line connected to a control chamber of the line;
main top device for providing jacking force for jacking and excavating of push bench comprises: the jacking oil cylinder is pushed towards the front side of the oil cylinder support, the jacking ring is arranged on the front side of the jacking oil cylinder, the U-shaped iron for pushing the jacking oil cylinder is further arranged between the jacking oil cylinder and the jacking ring, the rear side of the jacking oil cylinder is fixedly provided with the steel backrest, and the outer side wall of the jacking ring is concave inwards to form a second accommodating groove for laying the pipeline;
the first pipe joint is arranged on the front side of the jacking oil cylinder, a first groove for laying the pipeline is formed in the inner concave side of the outer side wall of the first pipe joint, and a through hole for the pipeline to penetrate through is formed in the first groove;
the outer side walls of the multiple pipe joints are respectively concave to form a first containing groove for laying the pipeline, the first containing grooves between the adjacent pipe joints are communicated, the first containing grooves are communicated with the first grooves, and the first containing grooves are communicated with the second containing grooves;
and the sealing steel plate is covered on the first groove and the first accommodating groove.
In the embodiment of the invention, the top ring comprises an annular body which is the same as the pipe joint and a top plate which is formed at the rear side of the annular body.
In the embodiment of the invention, the two opposite sides of each pipe joint are respectively provided with a sealing ring and a lantern ring which is sleeved outside the sealing ring in a matching way, the sealing ring of the next pipe joint in the adjacent pipe joints is inserted into the lantern ring of the previous pipe joint, and the sealing ring of the first pipe joint is inserted into the lantern ring of the pipe jacking host machine.
In the embodiment of the invention, the seams between the sealing steel plate and each pipe joint are welded by watertight welding.
In the embodiment of the invention, the pipe jacking system further comprises a steel rail, wherein a pipe jacking host machine and a cutter head are arranged on the steel rail, the cutter head is arranged on the front side of the pipe jacking host machine, and the pipe jacking host machine is positioned on the front side of the first pipe joint.
The invention also provides a pipe jacking construction method for reducing the pipeline connection times, which comprises the following steps:
s1, installing the main top device in an originating well;
s2, installing the guide rail at the bottom of the originating well;
s3, installing a pipe jacking host machine and a cutter head on the guide rail;
s4, providing a lifting device, lifting the first pipe joint to the rear side of the pipe jacking host machine, and jacking the first pipe joint forwards;
s5, connecting the pipe jacking main machine with the first pipe joint, enabling the pipeline to penetrate out of the through hole in the outer side wall of the first pipe joint and be connected with a control chamber outside the pipe jacking main machine, sealing the first groove of the first pipe joint by adopting a sealing steel plate, and jacking the first pipe joint;
s6, after the first pipe joint is jacked in place, the jacking oil cylinder retracts, and the jacking ring and the U-shaped iron are hung in front of the jacking oil cylinder;
s7, hoisting the second pipe joint to the rear side of the first pipe joint, and jacking the second pipe joint forwards;
s8, connecting the second pipe joint with the first pipe joint, placing the pipeline penetrating out of the through hole on the outer side wall of the first pipe joint in a first containing groove of the second pipe joint, sealing the first containing groove of the second pipe joint by adopting a sealing steel plate, and jacking the second pipe joint;
s9, after the second pipe joint is jacked in place, the jacking oil cylinder retracts, and the jacking ring and the U-shaped iron are lifted to the rear part by the lifting device and in front of the jacking oil cylinder;
and S10, repeating the steps S7 to S9 until the jacking of all the pipe joints is completed. Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) the pipeline is accommodated in the grooves corresponding to the pipe sections and the side wall of the top ring, so that the times of cutting off the connecting pipeline in the pipe jacking construction process can be reduced, and the construction efficiency is improved.
(2) The jacking oil cylinder directly acts on the U-shaped iron, and the U-shaped iron and the jacking ring are combined, so that the jacking force acting on the pipe joint is uniformly distributed, the local stress is prevented from being overlarge, and the jacking stability is ensured.
(3) The steel back rest is positioned at the last side of the main jacking device and is backed against the wall of the starting well, and the jacking reaction force of the jacking oil cylinder is dispersed through the steel back rest and then transmitted to the wall of the starting well, so that the extrusion damage of the wall of the starting well is avoided.
Drawings
FIG. 1 is a schematic structural view of a pipe jacking construction system including a sealing steel plate for reducing the number of times of pipeline connection according to the present invention.
FIG. 2 is a schematic structural view of a pipe-jacking construction system for reducing the number of times of pipe connections, which does not include a sealing steel plate.
Fig. 3 is a schematic structural view of a first pipe section of the present invention.
Fig. 4 is a schematic structural view of a second pipe section of the present invention.
Fig. 5 is a schematic view of the structure of the top ring of the present invention.
The correspondence of reference numerals to components is as follows:
1, a cutter head; 2, a pipe jacking host machine; 3 a first pipe section; 4 a second pipe section; 5, sealing the steel plate; 6, a top ring; 7U-shaped iron; 8, an oil cylinder support; 9 jacking the oil cylinder; 10 steel reclining; 11 a guide rail; 12 a base; 13 a pipeline; and 14, a control room.
Detailed Description
To facilitate an understanding of the present invention, the following description is made in conjunction with the accompanying drawings and examples.
Referring to fig. 1 to 3, in order to solve the problem that a connecting pipeline needs to be cut repeatedly when a pipe joint is installed in a pipe jacking construction process, the invention provides a pipe jacking pipe joint structure for reducing the number of times of pipeline connection, which comprises:
a line 13, one end of the line 13 being connected to a control room 14 of the line 13; the pipelines 13 comprise various pipelines such as power cables, control cables, lighting cables and the like;
main top device for providing jacking force for jacking and excavating of push bench comprises: top ring 6, U-shaped iron 7, jacking hydro-cylinder 9, hydro-cylinder support 8, steel lean on 10 and base 12 after, hydro-cylinder support 8 is fixed in on the base 12, hydro-cylinder support 8 including two steel sheets side by side and cross connection in channel-section steel between two steel sheets, be equipped with the confession on two steel sheets respectively the support hole site that jacking hydro-cylinder 9 passed, jacking hydro-cylinder 9 orientation the front side jacking of hydro-cylinder support 8, preferably, the position of jacking hydro-cylinder 9 is arranged according to the tube coupling shape, ensures that the jacking force is used in the central line of tube coupling to it is even to guarantee that the tube coupling atress. The jacking oil cylinder 9 penetrates through a supporting hole position corresponding to a front steel plate and a rear steel plate of the oil cylinder support 8, so that the oil cylinder support 8 plays a role in supporting and positioning the jacking oil cylinder 9, a U-shaped iron 7 for pushing the jacking oil cylinder 9 is arranged on the front side of the jacking oil cylinder 9, a jacking ring 6 attached to the U-shaped iron 7 is arranged on the front side of the U-shaped iron 7, and a steel back rest 10 is fixed on the rear side of the jacking oil cylinder 9;
the first pipe section 3 is arranged on the front side of the top ring 6, as shown in fig. 3, a first groove for laying the pipeline 13 is formed in the inner concave of the outer side wall of the first pipe section 3, and a through hole for the pipeline 13 to penetrate through is formed in the first groove;
as shown in fig. 4, the outer side walls of the multiple pipe joints are respectively recessed to form first accommodating grooves for laying the pipelines 13, the first accommodating grooves between adjacent pipe joints are communicated, and the first accommodating grooves are communicated with the first grooves;
and the sealing steel plate 5 is arranged on the first groove and the first accommodating groove in a covering manner.
In the embodiment of the invention, the jacking ring 6 and the U-shaped iron 7 are transition structures for transferring the jacking force of the jacking oil cylinder 9, in order to convert the concentrated force provided by the jacking oil cylinder 9 into surface stress to be dispersed and acted on the ring surface of the pipe joint, the U-shaped iron 7 is arranged between the jacking oil cylinder 9 and the pipe joint, and simultaneously, in order to solve the problem that the plane of the U-shaped iron 7 is not matched with the tail structure of the pipe joint, the jacking ring 6 of the transition force transfer structure is additionally arranged between the U-shaped iron 7 and the pipe joint, the jacking oil cylinder 9 directly acts on the U-shaped iron 7, and the U-shaped iron 7 and the jacking ring 6 are combined, so that the jacking force acted on the pipe joint is uniformly distributed, the local stress is prevented from being overlarge, and the jacking stability is ensured;
the steel back rest 10 is positioned at the rear side of the main jacking device and leans against the wall of the starting well, and the jacking reaction force of the jacking oil cylinder 9 is dispersed by the steel back rest 10 and then transmitted to the wall of the starting well, so that the wall of the starting well is prevented from being damaged by extrusion;
the pipe joint structure further comprises a steel guide rail 11 arranged at the bottom of the originating shaft, and then the cutter head 1 and the pipe jacking host machine 2 are arranged above the steel guide rail 11, wherein the steel guide rail 11 can provide an accurate direction for originating the pipe jacking machine.
The pipe-jacking pipe joint structure for reducing the pipeline connection times is specifically described above, and the pipe-jacking construction method for reducing the pipeline connection times comprises the following steps:
s1, installing the main top device in an originating well;
s2, installing the guide rail 11 at the bottom of the originating well;
s3, installing the cutter head 1 and the pipe jacking host machine 2 above the guide rail 11;
s4, providing a hoisting device, and hoisting the first pipe joint 3 to the rear side of the pipe jacking host machine 2;
s5, connecting the first pipe joint 3 with the pipe jacking host machine 2, enabling the pipeline 13 to penetrate through a through hole in the outer side wall of the first pipe joint 3 and be connected with a control room 14 outside the pipe jacking host machine 2, sealing a first groove of the first pipe joint 3 by using a sealing steel plate 5, and jacking the first pipe joint 3; specifically, a jacking oil cylinder 9 is adopted to push a first pipe joint 3 forwards, after a sealing ring at the front end of the first pipe joint 3 is pushed into a lantern ring at the rear end of a pipe jacking host machine 2, the first pipe joint 3 is fixedly connected with the pipe jacking host machine 2, meanwhile, a connecting seam between a sealing steel plate 5 and the first pipe joint 3 is sealed, and watertight welding is adopted to prevent water seepage at the connecting seam;
s6, after the first pipe joint 3 is jacked to the position, the jacking oil cylinder 9 retracts, and the jacking ring 6 and the U-shaped iron 7 are hung in front of the jacking oil cylinder 9; in order to ensure that when the jacking oil cylinder 9 jacks the first pipe joint 3 with the closed first groove, various pipelines 13 which penetrate out of the through hole on the outer side wall of the first pipe joint 3 are still connected with the control chamber 14, as shown in fig. 5, a second accommodating groove is formed in the annular body of the top ring 6 at a position corresponding to the annular body, and when the pipe joint jacks, the pipelines 13 are arranged in the second accommodating groove of the top ring 6;
s7, hoisting the second pipe joint 4 to the rear side of the first pipe joint 3;
s8, connecting the second pipe joint 4 with the first pipe joint 3, placing the pipeline 13 penetrating out of the through hole on the outer side wall of the first pipe joint 3 in a first containing groove of the second pipe joint 4, sealing the first containing groove of the second pipe joint 4 by adopting a sealing steel plate 5, and jacking the second pipe joint 4; specifically, after a sealing ring at the front end of the second pipe joint 4 is pushed into a sleeve ring at the rear end of the first pipe joint 3, the second pipe joint 4 is fixedly connected with the first pipe joint 3, various pipelines 13 penetrating out of a through hole of the first pipe joint 3 are placed in a first accommodating groove of the second pipe joint 4, then a sealing steel plate 5 is used for sealing the first accommodating groove of the second pipe joint 4, and connecting gaps of the first accommodating groove and the second accommodating groove are welded firmly by watertight welding to prevent water seepage at the gaps;
s9, after the second pipe joint 4 is jacked to the proper position, the jacking oil cylinder 9 retracts, and the jacking ring 6 and the U-shaped iron 7 are lifted to the rear by the lifting device and in front of the jacking oil cylinder 9;
and S10, repeating the steps S7 to S9 until the jacking of all the pipe joints is completed.
While the present invention has been described in detail and with reference to the accompanying drawings and examples, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.

Claims (6)

1. The utility model provides a reduce pipe connection number of times's push pipe tube coupling structure which characterized in that includes:
a line connected to a control chamber of the line;
main top device for providing jacking force for jacking and excavating of push bench comprises: the jacking oil cylinder is pushed towards the front side of the oil cylinder support, the jacking ring is arranged on the front side of the jacking oil cylinder, the U-shaped iron for pushing the jacking oil cylinder is further arranged between the jacking oil cylinder and the jacking ring, the rear side of the jacking oil cylinder is fixedly provided with the steel backrest, and the outer side wall of the jacking ring is concave inwards to form a second accommodating groove for laying the pipeline;
the first pipe joint is arranged on the front side of the jacking oil cylinder, a first groove for laying the pipeline is formed in the inner concave side of the outer side wall of the first pipe joint, and a through hole for the pipeline to penetrate through is formed in the first groove;
the outer side walls of the multiple pipe joints are respectively concave to form a first containing groove for laying the pipeline, the first containing grooves between the adjacent pipe joints are communicated, the first containing grooves are communicated with the first grooves, and the first containing grooves are communicated with the second containing grooves;
and the sealing steel plate is covered on the first groove and the first accommodating groove.
2. The pipe-jacking pipe section structure for reducing the number of times of pipeline connection as claimed in claim 1, wherein said top ring comprises an annular body identical to said pipe section and a top plate formed at the rear side of said annular body.
3. The pipe-jacking pipe joint structure capable of reducing the number of times of pipeline connection according to claim 1, wherein the opposite sides of each pipe joint are respectively formed with a sealing ring and a sleeve ring which is matched and sleeved outside the sealing ring, the sealing ring of the next pipe joint in the adjacent pipe joints is inserted into the sleeve ring of the previous pipe joint, and the sealing ring of the first pipe joint is inserted into the sleeve ring of the pipe-jacking main machine.
4. The pipe-jacking pipe joint structure capable of reducing the number of times of pipeline connection according to claim 1, wherein the seams between the sealing steel plate and each pipe joint are welded by watertight welding.
5. The pipe jacking pipe joint structure capable of reducing the number of pipeline connections according to claim 1, further comprising a steel rail, wherein a pipe jacking host and a cutter head are mounted on the steel rail, the cutter head is mounted on the front side of the pipe jacking host, and the pipe jacking host is located on the front side of the first pipe joint.
6. A pipe-jacking construction method for reducing the number of times of pipeline connection as claimed in any one of claims 1 to 5, comprising the steps of:
s1, installing the main top device in an originating well;
s2, installing the guide rail at the bottom of the originating well;
s3, installing a pipe jacking host machine and a cutter head on the guide rail;
s4, providing a lifting device, lifting the first pipe joint to the rear side of the pipe jacking host machine, and jacking the first pipe joint forwards;
s5, connecting the pipe jacking main machine with the first pipe joint, enabling the pipeline to penetrate out of the through hole in the outer side wall of the first pipe joint and be connected with a control chamber outside the pipe jacking main machine, sealing the first groove of the first pipe joint by adopting a sealing steel plate, and jacking the first pipe joint;
s6, after the first pipe joint is jacked in place, the jacking oil cylinder retracts, and the jacking ring and the U-shaped iron are hung in front of the jacking oil cylinder;
s7, hoisting the second pipe joint to the rear side of the first pipe joint, and jacking the second pipe joint forwards;
s8, connecting the second pipe joint with the first pipe joint, placing the pipeline penetrating out of the through hole on the outer side wall of the first pipe joint in a first containing groove of the second pipe joint, sealing the first containing groove of the second pipe joint by adopting a sealing steel plate, and jacking the second pipe joint;
s9, after the second pipe joint is jacked in place, the jacking oil cylinder retracts, and the jacking ring and the U-shaped iron are lifted to the rear part by the lifting device and in front of the jacking oil cylinder;
and S10, repeating the steps S7 to S9 until the jacking of all the pipe joints is completed.
CN201911409005.9A 2019-12-31 2019-12-31 Pipe jacking pipe joint structure capable of reducing pipeline connection times and construction method Pending CN111156016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911409005.9A CN111156016A (en) 2019-12-31 2019-12-31 Pipe jacking pipe joint structure capable of reducing pipeline connection times and construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911409005.9A CN111156016A (en) 2019-12-31 2019-12-31 Pipe jacking pipe joint structure capable of reducing pipeline connection times and construction method

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Publication Number Publication Date
CN111156016A true CN111156016A (en) 2020-05-15

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Application Number Title Priority Date Filing Date
CN201911409005.9A Pending CN111156016A (en) 2019-12-31 2019-12-31 Pipe jacking pipe joint structure capable of reducing pipeline connection times and construction method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356869A (en) * 2021-06-23 2021-09-07 中亿丰建设集团股份有限公司 Assembly type limited rotation tunneling device for tunnel connection channel and construction method

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CN109630133A (en) * 2018-12-29 2019-04-16 中铁工程装备集团有限公司 A kind of push-bench exempts to dismount pipeline system and its construction method
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Publication number Priority date Publication date Assignee Title
CN113356869A (en) * 2021-06-23 2021-09-07 中亿丰建设集团股份有限公司 Assembly type limited rotation tunneling device for tunnel connection channel and construction method

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